Got it. I was specifying detail file path incorrect and it's not finding it.one more question regarding this.
sites-available/default have preprocess section. and same section in sites-enabled/buffered-sql present. Does preprocess section in buffered-sql needs to be commented out?
 
Thanks.
 
Message: 4
Date: Thu, 20 Aug 2009 09:23:06 +0100
From: Alan Buxey <A.L.M.Buxey@lboro.ac.uk>
Subject: Re: buffered_sql and detail module
To: FreeRadius users mailing list
       <freeradius-users@lists.freeradius.org>
Message-ID: <20090820082306.GA5581@lboro.ac.uk>
Content-Type: text/plain; charset=us-ascii

Hi,

> I'm using the following configuration but it's not working.
                                        ^^^^^^^^^^^^^^^^^^

whats not working? whats the symptoms? wheres the radiusd -X ?

alan


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